San Francisco, CA

(415) 292-6350

About Us

At Bay Area Cosmetic Dermatology in San Francisco, our patients know they can trust us with their time, their health, and their looks. Since our founding in 2000, our practice has been one of the most trusted options for cosmetic dermatology in the region. We are committed to top-tier service and provide the latest products and treatments that balance innovation with reliability, setting us apart from our competition. Explore the following links to learn more about our practice and what you can expect when you visit us.

When you’re ready to see just how beautiful your skin can be, request an appointment online, or call our office directly at (415) 292-6350.

Meet Dr. Kathleen M. Welsh

Board-certified in both dermatology and internal medicine, our founding dermatologist is one of San Francisco’s leading skincare professionals. Learn more about her extensive experience and credentials.

Meet Dr. Andrea M. Hui

Having joined Bay Area Cosmetic Dermatology in 2014, Dr. Hui has trained throughout the country in both cosmetic and clinical dermatology and is known as a national educator in injectables.

Our Nurses

Our registered nurses and nurse practitioners play invaluable roles in our practice, administering treatments and assisting our physicians. Get to know the unique credentials of each of them.

Our Staff

Our aestheticians, medical assistants, and administrative staff keep our practice running efficiently. They often serve our patients from the very first phone call on, making them both the face and backbone of our practice.

Hours & Policies

Get to know our office before you even step through the door with our at-a-glance list of hours and policies.


Access archived newsletters and learn how you can subscribe to future issues.

Media Gallery

View Dr. Welsh’s TV appearances and learn more about some of our hottest services.

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Contact Bay Area Cosmetic Dermatology

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2299 Post St. Suite 312
San Francisco, CA 94115

Call Today: (415) 292-6350

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San Francisco (415) 292-6350

Bay Area Cosmetic Dermatology
2299 Post Street #312
San Francisco, CA 94115

(415) 292-6350

Monday, Friday: 8 a.m.–5 p.m.
Tuesday, Thursday: 7:30 a.m.–5 p.m.
Wednesday: 8 a.m.–4 p.m.

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Bay Area Cosmetic Dermatology is a cosmetic dermatology clinic serving the San Francisco metro area. The board-certified dermatologists, Dr. Kathleen M. Welsh, Dr. Andrea M. Hui, and their staff perform BOTOX® Cosmetic, JUVÉDERM®, Restylane®, CoolSculpting®, vascular laser treatments, and intense pulsed light (IPL) for San Francisco, Bay Area, Belvedere, Greenbrae, Mill Valley, and Oakland-area men and women.